FR1195231A - Magnetic recording and reproduction device - Google Patents

Magnetic recording and reproduction device

Info

Publication number
FR1195231A
FR1195231A FR1195231DA FR1195231A FR 1195231 A FR1195231 A FR 1195231A FR 1195231D A FR1195231D A FR 1195231DA FR 1195231 A FR1195231 A FR 1195231A
Authority
FR
France
Prior art keywords
magnetic recording
reproduction device
reproduction
recording
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1195231A publication Critical patent/FR1195231A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/325—Erasing heads using permanent magnets
FR1195231D 1956-11-22 1957-11-20 Magnetic recording and reproduction device Expired FR1195231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1195231X 1956-11-22

Publications (1)

Publication Number Publication Date
FR1195231A true FR1195231A (en) 1959-11-16

Family

ID=10881429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1195231D Expired FR1195231A (en) 1956-11-22 1957-11-20 Magnetic recording and reproduction device

Country Status (1)

Country Link
FR (1) FR1195231A (en)

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